That is correct, you supposed to add UV Dye of same color after 6 months to keep UV property of F1 liquid. Also, direct sunlight kills UV property, so make sure they stored in the dark!

Well I don't typically don't have my loop running for 6 months, so I didn't know that. And yeah I keep my bottles of F1 out of the sun, my room is in the basement anyhow so not a ton of sun comes in through the window.

You ever hear of issues using the Fesser UV Blue? I was reading on OC.com people having some issues with gumming of their CPU blocks. If so, would you recommend going with the UV tubing with DW?

thanks -

CD

We sold about 300 bottles of F1 blue in past 3 years. This is the most popular color. I have two customers who reported dye separation or some sort of gunk in the loop. Nobody ever complained about any other color.

We sold about 300 bottles of F1 blue in past 3 years. This is the most popular color. I have two customers who reported dye separation or some sort of gunk in the loop. Nobody ever complained about any other color.

I would imagine it's all about percentages, there are bound to be a few issues. The threads I read, stated they were running fairly hot for a period of time. I discounted it to those burns, but I wanted to see what your perspective was.